http4k-core/org.http4k.events

Package-level declarations

Types

interface Event

Represents a meaningful "happening" in an app.

data class EventCategory(name: String)

fun interface EventFilter : Function1<Events, Events>

An EventFilter is used to create pipelines for Event processing.

object EventFilters

Useful EventFilters used in building event processing pipelines to add various types of metadata to the events

typealias Events = (Event) -> Unit

Event stream - reports http4k Events

sealed class HttpEvent : Event

data class MetadataEvent(val event: Event, val metadata: Map<String, Any> = emptyMap()) : Event

object StdErrEvents : Function1<Event, Unit>

object StdOutEvents : Function1<Event, Unit>

Functions

fun Events.and(next: Events): Events

operator fun Event.plus(that: Pair<String, Any>): Event

Attach some metadata to this event

fun Events.~~then~~(next: Events): (Event) -> Unit

fun EventFilter.then(next: Events): Events

fun EventFilter.then(next: EventFilter): EventFilter